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Business Segments - Summary of Operating Results and Capital Expenditures by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Net sales $ 2,286 $ 2,373  
Operating income (loss): 330 220  
Interest expense, net (18) (24)  
Other income (expense), net 3 (9)  
Income before income tax expense 315 187  
Depreciation and amortization 68 67  
Capital expenditures 59 50  
Total assets 4,208   $ 4,119
Operating Segments | Petroleum      
Segment Reporting Information [Line Items]      
Net sales 1,993 2,154  
Operating income (loss): 237 130  
Depreciation and amortization 46 46  
Capital expenditures 42 19  
Total assets 4,114   4,354
Operating Segments | Nitrogen Fertilizer Segment      
Segment Reporting Information [Line Items]      
Net sales 226 223  
Operating income (loss): 109 104  
Depreciation and amortization 15 19  
Capital expenditures 4 5  
Total assets 1,116   1,100
Other, including intersegment eliminations      
Segment Reporting Information [Line Items]      
Net sales 67 (4)  
Operating income (loss): (16) (14)  
Depreciation and amortization 7 2  
Capital expenditures 13 $ 26  
Total assets $ (1,022)   $ (1,335)